Cooling cavity structure of injection mold

Abstract

The utility model relates to the technical field of molds, and discloses an injection mold cooling cavity structure which comprises a mold body, a first groove is formed in the upper surface of the mold body, a heat conduction plate is arranged on the inner wall of the first groove, and a second groove is formed in the lower surface of the mold body. A plurality of first cooling fins are fixedly arranged at the top in the second groove and fixedly connected with the heat conduction plate, a cooling liquid box is fixedly arranged on the lower surface of the mold body, a cylinder is fixedly arranged at the bottom in the cooling liquid box, and a mounting frame is fixedly arranged at the position, close to the upper end of the inner wall of the cylinder and located at the cornice, of the inner wall of the cylinder. Two through grooves are formed in the lower end of the outer wall of the cylinder body. The cooling cavity structure for the injection mold has the effect of quickly reducing the temperature in the mold, so that a product can be quickly formed, and meanwhile, the cooling structure also has the effect of promoting the cooling of cooling liquid, so that the cooling efficiency in the mold is indirectly improved.

Description

Technical Field

[0001] The utility model relates to the technical field of molds, in particular to a cooling cavity structure of an injection mold. Background Art

[0002] Injection mold is a tool for producing plastic products, and it is also a tool for giving plastic products a complete structure and precise size. Injection molding is also called injection molding. It is a molding method that combines injection and molding. The advantages of the injection molding method are fast production speed, high efficiency, automated operation, a wide variety of colors, shapes from simple to complex, sizes from large to small, and precise product size. The product is easy to update and can be made into parts with complex shapes. Injection molding is suitable for mass production and molding processing fields such as products with complex shapes. In order to allow the inside of the mold to form quickly, a cooling structure is needed to cool the inside of the mold.

[0003] At present, most mold cooling cavity structures have low cooling efficiency due to the high temperature inside the mold, which leads to slow product molding rate, thus seriously affecting the production of enterprises. Therefore, those skilled in the art provide an injection mold cooling cavity structure to solve the problems raised in the above background technology. Utility Model Content

[0004] The purpose of the utility model is to solve the shortcomings of the prior art and to propose an injection mold cooling cavity structure, which has the function of quickly reducing the temperature inside the mold, so that the product can be quickly formed. At the same time, the cooling structure also has the function of promoting the cooling of the coolant, thereby indirectly improving the cooling efficiency inside the mold.

[0005] In order to achieve the above purpose, the utility model provides the following technical solutions:

[0006] A cooling cavity structure for an injection mold comprises a mold body, wherein a first groove is arranged on the upper surface of the mold body, a heat conducting plate is arranged on the inner wall of the first groove, a second groove is arranged on the lower surface of the mold body, a plurality of first heat sinks are fixedly arranged on the top of the second groove, the plurality of first heat sinks are fixedly connected to the heat conducting plate, a coolant tank is fixedly arranged on the lower surface of the mold body, a cylinder is fixedly arranged on the bottom of the coolant tank, a mounting frame is fixedly arranged on the inner wall of the cylinder at a position of an eave near the upper end, and two through grooves are arranged on the outer wall of the cylinder near the lower end.

[0007] Through the above technical solution, the heat of the mold can be conducted out through the cooperation of the heat conducting plate and the first heat sink, thereby promoting rapid cooling of the inside of the mold.

[0008] Furthermore, a bidirectional drive structure is fixedly arranged at the middle position of the lower surface of the coolant tank, one output end of the bidirectional drive structure is fixedly connected to a worm and is rotationally connected to the mounting frame, and the other output end of the bidirectional drive structure is fixedly connected to a fan blade;

[0009] Through the above technical solution, the two-way driving structure is used to drive the worm and the fan blades to rotate, and the worm is used to discharge the coolant in the coolant tank from the cylinder, so that the cooling effect can be achieved on the first heat sink.

[0010] Furthermore, a plurality of second cooling fins are provided through the lower surface of the coolant tank;

[0011] Through the above technical solution, the second heat sink can be used to promote the cooling of the coolant inside the coolant tank.

[0012] Furthermore, a fixed cover is fixedly connected to the lower surface of the coolant tank, a mesh plate is fixedly arranged on the inner wall of the fixed cover near the lower end at the eaves, and a plurality of air outlet holes are arranged on both sides of the outer wall of the fixed cover;

[0013] Through the above technical solution, multiple air outlets are provided to facilitate exhaust.

[0014] Furthermore, a threaded cover is provided on one side wall of the coolant tank near the upper thread;

[0015] Through the above technical solution, by providing a threaded cover, it is convenient to pour coolant into the coolant tank.

[0016] Furthermore, an adjusting knob is fixedly provided on one side wall of the mold body, and the adjusting knob is electrically connected to the bidirectional driving structure;

[0017] The above technical solution makes it easy to adjust the rotation speed of the bidirectional drive structure.

[0018] The utility model has the following beneficial effects:

[0019] 1. The utility model proposes an injection mold cooling cavity structure. Compared with the existing injection mold cooling cavity structure, when the cooling cavity structure is put into use, under the mutual cooperation of multiple first heat sinks, the worm is driven to rotate through a two-way driving structure. Under the mutual cooperation of the cylinder and the through groove, the coolant can be guided from the lower end to the upper end. Under the action of the first heat sink, the exported heat can be absorbed, thereby accelerating the heat dissipation inside the mold and allowing the product to be quickly formed.

[0020] 2. Compared with the existing injection mold cooling cavity structure, the injection mold cooling cavity structure proposed by the utility model, when put into use, under the action of the second heat sink, the fan blades are driven to rotate through a two-way driving structure, and under the action of multiple through holes, the heat is discharged through the fan blades, thereby making the temperature of the coolant lower and achieving a better cooling effect. BRIEF DESCRIPTION OF THE DRAWINGS

[0021] Figure 1 This is an axonometric diagram of a cooling cavity structure of an injection mold proposed by the utility model;

[0022] Figure 2 This is a front cross-sectional view of a cooling cavity structure of an injection mold proposed by the utility model;

[0023] Figure 3 A schematic diagram of a cylinder structure of a cooling cavity structure of an injection mold proposed by the utility model;

[0024] Figure 4 A schematic diagram of a fixed cover structure of an injection mold cooling cavity structure proposed by the utility model;

[0025] Figure 5 This is a bottom view of a mold of an injection mold cooling cavity structure proposed by the utility model.

[0026] Legend:

[0027] 1. Mold body; 2. First groove; 3. Coolant tank; 4. Heat conduction plate; 5. First heat sink; 6. Second heat sink; 7. Cylinder; 8. Bidirectional drive structure; 9. Worm; 10. Fan blade; 11. Air outlet; 12. Threaded cover; 13. Second groove; 14. Mounting frame; 15. Through slot; 16. Fixed cover; 17. Mesh plate; 18. Adjustment knob. DETAILED DESCRIPTION

[0028] The following will be combined with the drawings in the embodiments of the utility model to clearly and completely describe the technical solutions in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all of the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model.

[0029] Reference Figure 1-5The utility model provides an embodiment: an injection mold cooling cavity structure, including a mold body 1, a first groove 2 is arranged on the upper surface of the mold body 1, a heat conducting plate 4 is arranged on the inner wall of the first groove 2, a second groove 13 is arranged on the lower surface of the mold body 1, a plurality of first heat sinks 5 are fixedly arranged on the top of the second groove 13, and the plurality of first heat sinks 5 are fixedly connected to the heat conducting plate 4, a coolant tank 3 is fixedly arranged on the lower surface of the mold body 1, a cylinder 7 is fixedly arranged on the bottom of the coolant tank 3, a mounting frame 14 is fixedly arranged on the inner wall of the cylinder 7 at the eaves position near the upper end, and two through grooves 15 are arranged on the outer wall of the cylinder 7 near the lower end, and the heat of the mold can be conducted out under the mutual cooperation of the heat conducting plate 4 and the first heat sink 5, thereby promoting rapid cooling of the inside of the mold.

[0030] A bidirectional driving structure 8 is fixedly arranged at the middle position of the lower surface of the coolant tank 3, and a worm 9 is fixedly connected to one output end of the bidirectional driving structure 8 and is rotationally connected to the mounting frame 14, and a fan blade 10 is fixedly connected to the other output end of the bidirectional driving structure 8. The bidirectional driving structure 8 is used to drive the worm 9 and the fan blade 10 to rotate, and the worm 9 is used to discharge the coolant in the coolant tank 3 from the cylinder 7, and the first heat sink 5 can achieve the effect of cooling. A plurality of second heat sinks 6 are arranged through the lower surface of the coolant tank 3, and the second heat sink 6 can promote the cooling of the inside of the coolant tank 3 In order to cool the liquid, a fixed cover 16 is fixedly connected to the lower surface of the coolant tank 3, a mesh plate 17 is fixedly provided on the inner wall of the fixed cover 16 near the lower end at the eaves, and multiple air outlet holes 11 are provided on both sides of the outer wall of the fixed cover 16. The multiple air outlet holes 11 are provided to facilitate exhaust. A threaded cover 12 is provided on one side wall of the coolant tank 3 near the upper end. The threaded cover 12 is provided to facilitate the injection of coolant into the coolant tank 3. An adjusting knob 18 is fixedly provided on one side wall of the mold body 1. The adjusting knob 18 is electrically connected to the two-way drive structure 8 to facilitate the adjustment of the rotation speed of the two-way drive structure 8.

[0031] Working principle: When the utility model is in use, the two-way drive structure 8 is first started to rotate the worm 9 and the fan blades 10. Under the mutual cooperation of the first heat sink 5 and the heat conducting plate 4, the coolant is discharged from the cylinder 7 through the worm 9, so that the coolant contacts the first heat sink 5, so that the heat can be quickly taken away. At the same time, under the mutual cooperation of the second heat sink 6, the fan blades 10 are used to discharge the heat discharged from the second heat sink 6 from the multiple air outlets 11, so that the temperature of the coolant is lower, so that the coolant can better cool the first heat sink 5.

[0032] Finally, it should be noted that the above is only a preferred embodiment of the present invention and is not intended to limit the present invention. Although the present invention has been described in detail with reference to the aforementioned embodiments, those skilled in the art can still modify the technical solutions described in the aforementioned embodiments or make equivalent substitutions for some of the technical features therein. Any modifications, equivalent substitutions, improvements, etc. made within the spirit and principles of the present invention should be included in the protection scope of the present invention.

Claims

1. An injection mold cooling cavity structure, comprising a mold body (1), Features: The upper surface of the mold body (1) is provided with a first groove (2), the inner wall of the first groove (2) is provided with a heat conducting plate (4), the lower surface of the mold body (1) is provided with a second groove (13), a plurality of first heat sinks (5) are fixedly provided at the top of the second groove (13), the plurality of first heat sinks (5) are fixedly connected to the heat conducting plate (4), a coolant tank (3) is fixedly provided on the lower surface of the mold body (1), a cylinder (7) is fixedly provided at the bottom of the coolant tank (3), a mounting frame (14) is fixedly provided on the inner wall of the cylinder (7) at the eaves position near the upper end, and two through grooves (15) are provided on the outer wall of the cylinder (7) near the lower end.

2. The injection mold cooling cavity structure according to claim 1, Features: A bidirectional drive structure (8) is fixedly arranged at a middle position of the lower surface of the coolant tank (3); one output end of the bidirectional drive structure (8) is fixedly connected to a worm (9) and is rotationally connected to a mounting frame (14); and the other output end of the bidirectional drive structure (8) is fixedly connected to a fan blade (10).

3. The injection mold cooling cavity structure according to claim 1, Features: A plurality of second cooling fins (6) are provided through the lower surface of the coolant tank (3).

4. The injection mold cooling cavity structure according to claim 1, Features: A fixed cover (16) is fixedly connected to the lower surface of the coolant tank (3), a mesh plate (17) is fixedly provided on the inner wall of the fixed cover (16) near the lower end at the eaves, and a plurality of air outlet holes (11) are provided on both sides of the outer wall of the fixed cover (16).

5. The injection mold cooling cavity structure according to claim 1, Features: A threaded cover (12) is provided on one side wall of the coolant tank (3) near the upper end of the threaded portion.

6. The injection mold cooling cavity structure according to claim 1, Features: An adjusting knob (18) is fixedly provided on one side wall of the mold body (1), and the adjusting knob (18) is electrically connected to the bidirectional driving structure (8).

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